Phylum Brachiopoda Duméril, 1806 - brachiopods
   Subphylum Rhynchonelliformea Williams et al., 1996
     Class †Strophomenata Williams et al, 1996
       Order †Productida Sarycheva & Sokolskaya, 1959
         Suborder †Strophalosiidina Schuchert, 1913
           1 Superfamily †Strophalosioidea Schuchert, 1913
           2 Superfamily †Aulostegoidea Muir-Wood & Cooper, 1960
           3 Superfamily †Richthofenioidea Waagen, 1885